condition mean min max 0 h after light 1.198425 1.05943 1.33742 4 h after light 2.964545 2.53435 3.39474 8 h after light 5.41392 4.57517 6.25267 4 h after dark 8.32547 8.24556 8.40538 8 h after dark 3.298365 3.03109 3.56564 12 h after dark 1.4334699999999998 1.18813 1.67881